Apple Aperture 3.5 - Manual (Page 327)

Chapter 7 Make image adjustments 327
Brush the Halo Reduction adjustment on an image
You use the Halo Reduction Quick Brush adjustment to remove the blue and purple fringes that
are occasionally produced with certain lenses when an image is overexposed.
Selectively blue and purple fringing in an image
1 Select a photo.
2 Do one of the following:
•
In the Adjustments inspector or the Adjustments pane of the Inspector HUD, choose Quick
Brushes > Halo Reduction from the Add Adjustment pop-up menu.
•
In the tool strip, choose Halo Reduction from the Quick Brush pop-up menu .
The Halo Reduction Brush HUD appears, and the Halo Reduction adjustment controls appear in
the Adjustments inspector and the Adjustments pane of the Inspector HUD, if both are shown.
3 Specify the brush stroke settings using the controls in the Halo Reduction Brush HUD.
For more information, see Apply Quick Brush adjustments on page 231 and Work with brush
strokes on page 232.
4 Brush the adjustment on the area of the image where you want to remove the halo effect.
Brush the Noise Reduction adjustment on an image
You use the Noise Reduction Quick Brush adjustment to remove digital noise in a specific area of
an image.
After Noise Reduction adjustment Before Noise Reduction adjustment
Selectively reduce noise in an image
1 Select a photo.
2 Do one of the following:
•
In the Adjustments inspector or the Adjustments pane of the Inspector HUD, choose Quick
Brushes > Noise Reduction from the Add Adjustment pop-up menu.
•
In the tool strip, choose Noise Reduction from the Quick Brush pop-up menu .
The Noise Reduction Brush HUD appears, and the Noise Reduction adjustment controls appear in
the Adjustments inspector and the Adjustments pane of the Inspector HUD, if both are shown.
3 Specify the brush stroke settings using the controls in the Noise Reduction Brush HUD.
For more information, see Apply Quick Brush adjustments on page 231 and Work with brush
strokes on page 232.
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